VIN 1XKWD49X5MR436421 — 2021 Kenworth W9 Series
USDOT 286600
Vehicle identity
| VIN | 1XKWD49X5MR436421 |
| Model year | 2021 |
| Make | Kenworth |
| Model | W9 Series |
| Vehicle type | TRUCK TRACTOR |
| License plate | LA P285085 (Louisiana) |
| Inspection window | 2025-08-21 to 2026-08-27 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-08-27 | 1XKWD49X5MR436421 | LA P285085 | USDOT 286600 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
What this means
1XKWD49X5MR436421 is a 2021 Kenworth W9 Series. License plate on its inspection records: LA P285085. 3 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2021 Kenworth W9 Series is the vehicle NHTSA’s VIN registry returns for 1XKWD49X5MR436421. It is a truck-tractor built by KENWORTH TRUCK COMPANY at the RENTON, WASHINGTON plant. Powertrain: ISX / X15 engine, 15L displacement, running on diesel. Its gross vehicle weight rating (Class 8: 33,001 lb and above (14,969 kg and above)) places it in Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier.
Roadside inspection & out-of-service record
This specific vehicle appears in 3 FMCSA roadside inspections between 2025-08-21 and 2026-08-27. Across those inspections it was never placed out of service. Its most recent inspection (2026-08-27) was in Texas, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by USDOT 286600 from 2025-08-21 to 2026-08-27 — 3 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W9 Series |
| Model Year | 2021 |
| Vehicle Type | TRUCK NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck-Tractor The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 8: 33,001 lb and above (14,969 kg and above) Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier |
| Manufacturer | KENWORTH TRUCK COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | RENTON Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | WASHINGTON |
| Plant Country | UNITED STATES (USA) |
| Engine Model | ISX / X15 The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Configuration | In-Line Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels. |
| Engine Cylinders | 6 |
| Displacement L | 15 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Diesel Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 6x4 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
Operator & inspection history
Related vehicles
- 2HSCUAPR09C050339 International (3 insp · 7 OOS)
- 3AKJGNFGXKDKN2035 Freightliner (7 insp · 6 OOS)
- 3HSDPAPR9KN048606 International (7 insp · 5 OOS)
- 1XP5DU9X75D827767 Peterbilt (3 insp · 5 OOS)
- 1XP7D49X56D643762 Peterbilt (3 insp · 5 OOS)
- 1FUJGLBG1CLBC8947 Freightliner (2 insp · 5 OOS)
Related
Frequently Asked Questions
What does VIN 1XKWD49X5MR436421 decode to?
Does VIN 1XKWD49X5MR436421 have a clean inspection record?
What license plate is on VIN 1XKWD49X5MR436421?
Vetting a used truck purchase?
Tell us what you're looking for and we'll send matching new or used trucks — no obligation.